snakekeylogger | c535648fcb637565a3253706bc12af2c9a4def5c243d3a388db5b8a6d91181a8

General

Target

SWIFTMESAJI.exe
Size

955KB
MD5

c25938315ed7016703bb99bafae689b5
SHA1

6dc5affbc77bea59b3c7cbfd2767156d3612beb8
SHA256

788fedc273576b3be8e4471d1d7c64832b96fc10bdf553a1e45fe4f1f0672369
SHA512

1ea7aea8cdc4314ee880a22fa4a23386cdc73d9a49bb6f4347b90c17e40257bf1a78dadecf4d00018b18d9e65a4db399110c6206ed77fc9a19bfc9f505f63bcd
SSDEEP

24576:lu6J33O0c+JY5UZ+XC0kGso6Famy0Om8Ak6WY:nu0c++OCvkGs9FamYmgY

Score

10^/10

snakekeylogger collection discovery keylogger stealer

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot7525931722:AAHv5VReYz4Tdv44qTVu1nWYViZknndh3TU/sendMessage?chat_id=7361435574

Signatures

Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
stealer keylogger snakekeylogger

Snake Keylogger payload 1 IoCs

resource	yara_rule
behavioral4/memory/4408-12-0x0000000000400000-0x0000000000426000-memory.dmp	family_snakekeylogger

Snakekeylogger family
snakekeylogger

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
6	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4508 set thread context of 4408	4508	SWIFTMESAJI.exe	83

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4776	4508	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SWIFTMESAJI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4408	RegSvcs.exe
4408	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
4508	SWIFTMESAJI.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4408	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4508	SWIFTMESAJI.exe
4508	SWIFTMESAJI.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
4508	SWIFTMESAJI.exe
4508	SWIFTMESAJI.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4508 wrote to memory of 4408	4508	SWIFTMESAJI.exe	83
PID 4508 wrote to memory of 4408	4508	SWIFTMESAJI.exe	83
PID 4508 wrote to memory of 4408	4508	SWIFTMESAJI.exe	83
PID 4508 wrote to memory of 4408	4508	SWIFTMESAJI.exe	83

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\SWIFTMESAJI.exe
"C:\Users\Admin\AppData\Local\Temp\SWIFTMESAJI.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4508
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\SWIFTMESAJI.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4408
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4508 -s 676
  2⤵
  - Program crash
  PID:4776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4508 -ip 4508
1⤵
PID:3948

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4408-12-0x0000000000400000-0x0000000000426000-memory.dmp

Filesize
152KB

Download
memory/4408-13-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

Filesize
4KB

Download
memory/4408-14-0x0000000005A50000-0x0000000005FF4000-memory.dmp

Filesize
5.6MB

Download
memory/4408-15-0x0000000005390000-0x000000000542C000-memory.dmp

Filesize
624KB

Download
memory/4408-16-0x0000000073F50000-0x0000000074700000-memory.dmp

Filesize
7.7MB

Download
memory/4408-17-0x0000000073F5E000-0x0000000073F5F000-memory.dmp

Filesize
4KB

Download
memory/4408-18-0x0000000073F50000-0x0000000074700000-memory.dmp

Filesize
7.7MB

Download
memory/4408-19-0x00000000066D0000-0x0000000006720000-memory.dmp

Filesize
320KB

Download
memory/4408-20-0x00000000068F0000-0x0000000006AB2000-memory.dmp

Filesize
1.8MB

Download
memory/4408-21-0x00000000067C0000-0x0000000006852000-memory.dmp

Filesize
584KB

Download
memory/4408-22-0x0000000006760000-0x000000000676A000-memory.dmp

Filesize
40KB

Download
memory/4508-11-0x00000000015E0000-0x00000000019E0000-memory.dmp

Filesize
4.0MB

Download

Analysis

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